Hebrew and Greek Strong's Dictionary with all the definitions plus combined with every place that word is used in the definitions.

Complete index of every word used in both the Hebrew and Greek Strong's Dictionary in English Word order.

Hebrew and Greek Expanded Dictionary

aforehand 4301 - prolambano {prol-am-ban'-o}; from 4253 and 2983; to take in advance, i.e. (literally) eat before others have an opportunity; (figuratively) to anticipate, surprise: -- come {aforehand}, overtake, take before.